Compare Two Numbers

Summary

Compare two numbers and report whether the first is greater, less, or equal to the second.

Problem statement

Create a function compare_numbers(a, b) which compares two numeric values a and b and returns: - 'greater' if a > b - 'less' if a < b - 'equal' if a == b Use conditional statements to return the correct string.

Task

Implement compare_numbers(a, b) that returns 'greater', 'less', or 'equal' depending on the comparison.

Examples

Input format

Two numbers a and b (integers).

Output format

A string: 'greater', 'less', or 'equal'.

Constraints

a and b are integers; values may be negative or large.

Samples